Question

The resistance of the coil of an ammeter is R. The shunt
required to increase its range n-fold should have a
resistance
(a) R/n (b) R/n - 1
(c) R/n +1
(d) nR

Answer 1

Answer:Given : R

g

​

=R I=nI

g

​

Shunt resistance required R

s

​

=

I−I

g

​

I

g

​

R

g

​

​

⟹ R

s

​

=

nI

g

​

−I

g

​

I

g

​

R

​

=

n−1

R

​

Explanation:please mark me as brainlist

Answer 2

Answer:

Given : Rg = R I = nIg Shunt resistance required Rs = IgRgI - Ig Rs = Ig RnIg - Ig = Rn - 1. ... shunt required to increase its range n-fold should have a resistance. A .

Hope it helps uh

Pls mark it as the brainliest answer.